The interest charges that are reflected in these supplementary estimates are actually from the 2008 budget. We typically include a budgetary estimate in the mains or the supplementary estimates. The most recent interest charge for 2008-09, updated in the 2009 budget, is $30.7 billion, so about $800 million lower than this amount. And the way to go about determining the interest rate is based on a combination of, in this case, mostly actual interest rates that we've paid in the market and a little bit of a forecast for a couple of months.
On February 10th, 2009. See this statement in context.